It would be B. A bristlecone pine forest that contains tree that are over 500 years old. why? because when you think about it the other 3 were man planted and man done but B. was not it was the natural way/ an old-growth forest.
Both of the Hibiscus plants have different colors, when mixing both the blue and yellow gene the younger plants combined the genes and make the color green.
Answer:
The correct answer is - Adrenal gland.
Explanation:
The HPA axis is a system that is used to show the representation of the interaction in to various body process to be maintain hypothalamus adrenal glands and pituitary gland.
It plays an important role in the stress response these system that regulates system including digestive system, sexuality, mood and other essential system.
Thus, the correct answer is - adrenal gland.
Irregular galaxies<span> get their odd shapes in many ways.
One way </span>irregular galaxies <span>are </span>formed<span> is when </span>galaxies collide/come close to one another, and their gravitational forces interact.<span> Some </span>irregular galaxies<span> were once spiral or elliptical </span>galaxies<span> but were deformed by these uneven external gravitational force.
</span><span>Another source of </span>irregular galaxies<span> may be very young </span>galaxies that have not yet reached a symmetrical state.
Hope that helps
Answer:
a viral infection
Explanation:
i think that this is right answer